A close-up shot of a person wearing soft contemporary cotton loungewear, drifting off to sleep while lying flat on a standard bedroom mattress under dim ambient night lighting, with the bed frame and bedroom interior softly visible.. Spatial layout: Человек лежит горизонтально на стандартизированном пружинном матрасе в спальне современной квартиры с приглушенным ночным освещением.. Context markers: comfortable soft loungewear, standard mattress, bedroom at sleep onset. The complete visual composition—including all primary subjects, secondary supporting elements, boundaries, and environmental contours—must sit comfortably inside the canvas with generous clean white negative space visible on all four sides (target 8-12% margins, minimum 6%). The entire visual assembly must occupy maximum 80% canvas height and 84% canvas width. Nothing touches or crosses any canvas edge. Do not crop the primary subject. Clean isolated 2D explainer composition against pure white/off-white background. hand-drawn 2D explainer cartoon illustration, confident clean black outlines, flat cel-style colors, simplified readable forms, soft minimal shading, clear focal hierarchy, clean educational YouTube illustration, no photorealism, no 3D rendering, no typography, no text, no watermarks
